just invested in a 580ex ii for my canon 7d but everyones been telling me to get a hot shoe extension cable. Was looking on amazon and the official canon one is £60> but there are other cheaper alternatives unbranded. But was just wondering if anyone could recommend one for me. as really unsure which one to go for as some have a threaded connection and some have the quick release.
that was my original intention but unfortunately the 580 exii is infrared so the camera still has to see the flash. where as i wanna use the flash behind the camera. was is the diffrence between a ttl lead and as you mentioned a full ettl lead??